# SeamStack vs Feathers

The clearest difference is ads: Feathers at none against SeamStack's shown. Feathers also leads on monetization model (free vs ad-supported). SeamStack's advantage is update cadence (daily vs every 4 months) and ratings volume (35 vs 2). On price, rating, review sentiment and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for SeamStack against 5.0 for Feathers. That said, the two scores are not equally well evidenced: SeamStack has 35 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

SeamStack ships an update daily, Feathers every 4 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SeamStack | Feathers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (35 ratings)](https://appshunter.io/ios/app/seamstack/id6742428055/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/feathers-birding-field-notes/id6746421825/reviews)** |
| Number of ratings | **35** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 4 months |
| Monetization | Ad-supported | **Free** |
| Size | 43 MB | 76 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Lowland Kids](https://appshunter.io/developer/1573796274) | [Land Urchin LLC](https://appshunter.io/developer/1752024432) |

## What reviewers say

### SeamStack

[App page](https://appshunter.io/ios/app/seamstack/id6742428055)

Organize all your sewing projects, from current works-in-progress to completed creations. Track project details, store measurements with history, and access built-in size charts. Build a personal archive of your sewing journey.

**Highlights:** Project tracking with status and photos, Measurement profiles with history, Built-in size charts (inches/cm), Cloud storage for data backup, Clean and intuitive design

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Helps track projects and measurements
- 😍 Useful and convenient
- 💡 Great for organizing sewing projects

**What reviewers complain about**

- None mentioned

**Reported bugs**

- None mentioned

**Requested features**

- Add fabric stash tracking
- Integrate with more pattern companies


### Feathers

[App page](https://appshunter.io/ios/app/feathers-birding-field-notes/id6746421825)

Record detailed bird sightings and sessions in the field. Save precise locations, apply custom tags, and refine records with taxonomy options. Fetch real-time weather to document your birding journey.

**Highlights:** Capture individual bird sightings, Record birding sessions/checklists, Save precise location coordinates, Apply custom tags to sightings, Detailed taxonomy options, Fetch real-time weather information

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SeamStack free?

SeamStack is free to download, with no in-app purchases.

### Is Feathers free?

Feathers is free to download, with no in-app purchases.

### Which has better reviews, SeamStack or Feathers?

Feathers is rated higher. SeamStack averages 5.0 out of 5 from 35 ratings, while Feathers averages 5.0 from 2 ratings.

### Do SeamStack or Feathers have ads?

SeamStack shows ads; Feathers does not.

### Which is updated more often, SeamStack or Feathers?

SeamStack ships an update daily, and Feathers every 4 months. Most recently, SeamStack was updated on November 4, 2026 and Feathers on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*